jquery.ui.position.min.js
5.72 KB
/*! jQuery UI - v1.12.1 - 2016-09-16
* http://jqueryui.com
* Includes: position.js
* Copyright jQuery Foundation and other contributors; Licensed MIT */
(function(t){"function"==typeof define&&define.amd?define(["jquery"],t):t(jQuery)})(function(t){t.ui=t.ui||{},t.ui.version="1.12.1",function(){function e(t,e,i){return[parseFloat(t[0])*(u.test(t[0])?e/100:1),parseFloat(t[1])*(u.test(t[1])?i/100:1)]}function i(e,i){return parseInt(t.css(e,i),10)||0}function s(e){var i=e[0];return 9===i.nodeType?{width:e.width(),height:e.height(),offset:{top:0,left:0}}:t.isWindow(i)?{width:e.width(),height:e.height(),offset:{top:e.scrollTop(),left:e.scrollLeft()}}:i.preventDefault?{width:0,height:0,offset:{top:i.pageY,left:i.pageX}}:{width:e.outerWidth(),height:e.outerHeight(),offset:e.offset()}}var n,o=Math.max,a=Math.abs,r=/left|center|right/,l=/top|center|bottom/,h=/[\+\-]\d+(\.[\d]+)?%?/,c=/^\w+/,u=/%$/,d=t.fn.position;t.position={scrollbarWidth:function(){if(void 0!==n)return n;var e,i,s=t("<div style='display:block;position:absolute;width:50px;height:50px;overflow:hidden;'><div style='height:100px;width:auto;'></div></div>"),o=s.children()[0];return t("body").append(s),e=o.offsetWidth,s.css("overflow","scroll"),i=o.offsetWidth,e===i&&(i=s[0].clientWidth),s.remove(),n=e-i},getScrollInfo:function(e){var i=e.isWindow||e.isDocument?"":e.element.css("overflow-x"),s=e.isWindow||e.isDocument?"":e.element.css("overflow-y"),n="scroll"===i||"auto"===i&&e.width<e.element[0].scrollWidth,o="scroll"===s||"auto"===s&&e.height<e.element[0].scrollHeight;return{width:o?t.position.scrollbarWidth():0,height:n?t.position.scrollbarWidth():0}},getWithinInfo:function(e){var i=t(e||window),s=t.isWindow(i[0]),n=!!i[0]&&9===i[0].nodeType,o=!s&&!n;return{element:i,isWindow:s,isDocument:n,offset:o?t(e).offset():{left:0,top:0},scrollLeft:i.scrollLeft(),scrollTop:i.scrollTop(),width:i.outerWidth(),height:i.outerHeight()}}},t.fn.position=function(n){if(!n||!n.of)return d.apply(this,arguments);n=t.extend({},n);var u,p,f,g,m,_,v=t(n.of),b=t.position.getWithinInfo(n.within),y=t.position.getScrollInfo(b),w=(n.collision||"flip").split(" "),k={};return _=s(v),v[0].preventDefault&&(n.at="left top"),p=_.width,f=_.height,g=_.offset,m=t.extend({},g),t.each(["my","at"],function(){var t,e,i=(n[this]||"").split(" ");1===i.length&&(i=r.test(i[0])?i.concat(["center"]):l.test(i[0])?["center"].concat(i):["center","center"]),i[0]=r.test(i[0])?i[0]:"center",i[1]=l.test(i[1])?i[1]:"center",t=h.exec(i[0]),e=h.exec(i[1]),k[this]=[t?t[0]:0,e?e[0]:0],n[this]=[c.exec(i[0])[0],c.exec(i[1])[0]]}),1===w.length&&(w[1]=w[0]),"right"===n.at[0]?m.left+=p:"center"===n.at[0]&&(m.left+=p/2),"bottom"===n.at[1]?m.top+=f:"center"===n.at[1]&&(m.top+=f/2),u=e(k.at,p,f),m.left+=u[0],m.top+=u[1],this.each(function(){var s,r,l=t(this),h=l.outerWidth(),c=l.outerHeight(),d=i(this,"marginLeft"),_=i(this,"marginTop"),x=h+d+i(this,"marginRight")+y.width,C=c+_+i(this,"marginBottom")+y.height,D=t.extend({},m),T=e(k.my,l.outerWidth(),l.outerHeight());"right"===n.my[0]?D.left-=h:"center"===n.my[0]&&(D.left-=h/2),"bottom"===n.my[1]?D.top-=c:"center"===n.my[1]&&(D.top-=c/2),D.left+=T[0],D.top+=T[1],s={marginLeft:d,marginTop:_},t.each(["left","top"],function(e,i){t.ui.position[w[e]]&&t.ui.position[w[e]][i](D,{targetWidth:p,targetHeight:f,elemWidth:h,elemHeight:c,collisionPosition:s,collisionWidth:x,collisionHeight:C,offset:[u[0]+T[0],u[1]+T[1]],my:n.my,at:n.at,within:b,elem:l})}),n.using&&(r=function(t){var e=g.left-D.left,i=e+p-h,s=g.top-D.top,r=s+f-c,u={target:{element:v,left:g.left,top:g.top,width:p,height:f},element:{element:l,left:D.left,top:D.top,width:h,height:c},horizontal:0>i?"left":e>0?"right":"center",vertical:0>r?"top":s>0?"bottom":"middle"};h>p&&p>a(e+i)&&(u.horizontal="center"),c>f&&f>a(s+r)&&(u.vertical="middle"),u.important=o(a(e),a(i))>o(a(s),a(r))?"horizontal":"vertical",n.using.call(this,t,u)}),l.offset(t.extend(D,{using:r}))})},t.ui.position={fit:{left:function(t,e){var i,s=e.within,n=s.isWindow?s.scrollLeft:s.offset.left,a=s.width,r=t.left-e.collisionPosition.marginLeft,l=n-r,h=r+e.collisionWidth-a-n;e.collisionWidth>a?l>0&&0>=h?(i=t.left+l+e.collisionWidth-a-n,t.left+=l-i):t.left=h>0&&0>=l?n:l>h?n+a-e.collisionWidth:n:l>0?t.left+=l:h>0?t.left-=h:t.left=o(t.left-r,t.left)},top:function(t,e){var i,s=e.within,n=s.isWindow?s.scrollTop:s.offset.top,a=e.within.height,r=t.top-e.collisionPosition.marginTop,l=n-r,h=r+e.collisionHeight-a-n;e.collisionHeight>a?l>0&&0>=h?(i=t.top+l+e.collisionHeight-a-n,t.top+=l-i):t.top=h>0&&0>=l?n:l>h?n+a-e.collisionHeight:n:l>0?t.top+=l:h>0?t.top-=h:t.top=o(t.top-r,t.top)}},flip:{left:function(t,e){var i,s,n=e.within,o=n.offset.left+n.scrollLeft,r=n.width,l=n.isWindow?n.scrollLeft:n.offset.left,h=t.left-e.collisionPosition.marginLeft,c=h-l,u=h+e.collisionWidth-r-l,d="left"===e.my[0]?-e.elemWidth:"right"===e.my[0]?e.elemWidth:0,p="left"===e.at[0]?e.targetWidth:"right"===e.at[0]?-e.targetWidth:0,f=-2*e.offset[0];0>c?(i=t.left+d+p+f+e.collisionWidth-r-o,(0>i||a(c)>i)&&(t.left+=d+p+f)):u>0&&(s=t.left-e.collisionPosition.marginLeft+d+p+f-l,(s>0||u>a(s))&&(t.left+=d+p+f))},top:function(t,e){var i,s,n=e.within,o=n.offset.top+n.scrollTop,r=n.height,l=n.isWindow?n.scrollTop:n.offset.top,h=t.top-e.collisionPosition.marginTop,c=h-l,u=h+e.collisionHeight-r-l,d="top"===e.my[1],p=d?-e.elemHeight:"bottom"===e.my[1]?e.elemHeight:0,f="top"===e.at[1]?e.targetHeight:"bottom"===e.at[1]?-e.targetHeight:0,g=-2*e.offset[1];0>c?(s=t.top+p+f+g+e.collisionHeight-r-o,(0>s||a(c)>s)&&(t.top+=p+f+g)):u>0&&(i=t.top-e.collisionPosition.marginTop+p+f+g-l,(i>0||u>a(i))&&(t.top+=p+f+g))}},flipfit:{left:function(){t.ui.position.flip.left.apply(this,arguments),t.ui.position.fit.left.apply(this,arguments)},top:function(){t.ui.position.flip.top.apply(this,arguments),t.ui.position.fit.top.apply(this,arguments)}}}}(),t.ui.position});